Home / 85,469.12-117,923.37-49,168.67

Finding the Fourth Proportional to 85,469.12, 117,923.37 and 49,168.67

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Solution

The fourth proportional to 85,469.12, 117,923.37 and 49,168.67 is: 67,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,469.12 : 117,923.37 = 49,168.67 : x
  2. Step 2: Convert to fraction form
    85,469.12/117,923.37 = 49,168.67/x
  3. Step 3: Cross multiply
    85,469.12x = 117,923.37 × 49,168.67
  4. Step 4: Simplify right side
    85,469.12x = 5,798,135,264.82
  5. Step 5: Solve for x
    x = 5,798,135,264.82/85,469.12
  6. Step 6: Final answer
    x = 67,838.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.